[Dovecot] POP users complaining about multiple copies of mail

[H. Wade Minter]

On Nov 16, 2010, at 12:43 PM, Timo Sirainen wrote:

> On Tue, 2010-11-16 at 17:40 +0000, Timo Sirainen wrote:
>> I've heard it several times, and it's always been Outlook. It just seems
>> to go nuts when server changes. No one who has complained about this has
>> ever come back to say if they managed to fix it somehow.
>> 
>> My guess: recreate the account in Outlook and hope for best.
> 
> Oh, the other possibility of course: You seem to be using mbox format?
> If the message's IMAP UIDs change, the POP3 UIDL changes and the
> messages get redownloaded.
> 
> You should at least explicitly set mail_location setting so Dovecot
> doesn't use autodetection. Also look for Dovecot errors in log file.

I've just gone in and set mail_location

root at bunning:~# dovecot -n | grep mail_loc
mail_location: maildir:~/Maildir

Is there anything I need to do about the mbox/UIDL issue?  Config variables to tweak?

--Wade